生成的密碼哈希: Email: admin@example.com Password: admin123 Hash: $2y$10$zYwDwM3EAz3DidE6i6YVZ./EbaueeFcp7n7Yn5MD9cm8v7QEf3626 Email: teacher@example.com Password: teacher123 Hash: $2y$10$MOSv8XCzJHdGG/jM5vKzOOItJzKGdAB0wlavZ.ksJn.89NscOJE1G Email: student@example.com Password: student123 Hash: $2y$10$LaHQg9rmRjXtS15EQcZmEOgU8ESFKCfbkmJWht1p1iiDpFAc6/zgC